<template>
  <template v-if="tagType">
    <el-tag :type="tagType" :size="tagSize">{{ label }}</el-tag>
  </template>
  <template v-else>
    <span>{{ label }}</span>
  </template>
</template>

<script setup lang="ts">
import { useDictStore } from '@/store';

defineOptions({ name: 'DictLabel' });

const dictStore = useDictStore();

const props = defineProps({
  code: String,
  modelValue: [String, Number],
  size: {
    type: String,
    default: 'default',
  },
});

const label = ref('');
const tagType = ref<'success' | 'warning' | 'info' | 'primary' | 'danger' | undefined>();

const tagSize = ref(props.size as 'default' | 'large' | 'small');

const getLabelAndTagByValue = async (dictCode: string, value: any) => {
  // 先从本地缓存中获取字典数据
  const dictData = dictStore.getDictionary(dictCode);

  // 查找对应的字典项
  const dictEntry = dictData.find((item: any) => item.value == value);
  return {
    label: dictEntry ? dictEntry.label : '',
    tag: dictEntry ? dictEntry.tagType : undefined,
  };
};

// 监听 props 的变化，获取并更新 label 和 tag
const fetchLabelAndTag = async () => {
  const result = await getLabelAndTagByValue(props.code as string, props.modelValue);
  label.value = result.label;
  tagType.value = result.tag as 'success' | 'warning' | 'info' | 'primary' | 'danger' | undefined;
};

// 首次挂载时获取字典数据
onMounted(fetchLabelAndTag);

// 当 modelValue 发生变化时重新获取
watch(() => props.modelValue, fetchLabelAndTag);
</script>
